The age of A and B and in the ratio 5:7 four years from now the ratio

1.	The age of A and B and in the ratio 5:7 four years from now the ratio of their ages will be 3:4 the present agw of B is please answer emergency 20 points
Answer» Step-by-step EXPLANATION: A/B=5/7 (A+4)/(B+4)=3/4 4A+16=3B+12 4A+4=3B 4(5/7B)+4=3B 20B+28=21B 28=21B-20B=B Therefore, the AGE of B is 28 YEARS.

The age of A and B and in the ratio 5:7 four years from now the ratio of their ages will be 3:4 the present agw of B is please answer emergency 20 points

Answer»

Step-by-step EXPLANATION:

A/B=5/7

(A+4)/(B+4)=3/4

4A+16=3B+12

4A+4=3B

4(5/7B)+4=3B

20B+28=21B

28=21B-20B=B

Therefore, the AGE of B is 28 YEARS.